Home / 146,004.12-218,962.44-52,488

Finding the Fourth Proportional to 146,004.12, 218,962.44 and 52,488

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Solution

The fourth proportional to 146,004.12, 218,962.44 and 52,488 is: 78,716.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,004.12 : 218,962.44 = 52,488 : x
  2. Step 2: Convert to fraction form
    146,004.12/218,962.44 = 52,488/x
  3. Step 3: Cross multiply
    146,004.12x = 218,962.44 × 52,488
  4. Step 4: Simplify right side
    146,004.12x = 11,492,900,550.72
  5. Step 5: Solve for x
    x = 11,492,900,550.72/146,004.12
  6. Step 6: Final answer
    x = 78,716.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.